package io.quarkus.elytron.security.runtime.graal;

import static org.wildfly.security.x500._private.ElytronMessages.log;

import java.lang.invoke.MethodHandle;
import java.security.Principal;

import javax.security.auth.x500.X500Principal;

import org.wildfly.security.x500.util.X500PrincipalUtil;

import com.oracle.svm.core.annotate.Alias;
import com.oracle.svm.core.annotate.Delete;
import com.oracle.svm.core.annotate.RecomputeFieldValue;
import com.oracle.svm.core.annotate.Substitute;
import com.oracle.svm.core.annotate.TargetClass;

/**
 *
 */
@TargetClass(X500PrincipalUtil.class)
final class Target_org_wildfly_security_x500_util_X500PrincipalUtil {
    @RecomputeFieldValue(kind = RecomputeFieldValue.Kind.Reset)
    @Alias
    static Class<?> X500_NAME_CLASS;
    @Delete
    static MethodHandle AS_X500_PRINCIPAL_HANDLE;

    /**
     * Only handle the case of converting a {@linkplain Principal#getName()} to {@linkplain X500Principal}
     * 
     * @param principal - Principal with name that maps to valid DN
     * @param convert - whether one should convert to X500Principal
     * @return X500Principal if convert is true and valid DN is seen, null otherwise
     */
    @Substitute
    public static X500Principal asX500Principal(Principal principal, boolean convert) {
        if (convert) {
            try {
                return new X500Principal(principal.getName());
            } catch (IllegalArgumentException ignored) {
                log.trace("Unable to convert to X500Principal", ignored);
            }
        }
        return null;
    }
}
